20871722

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2423}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 32287680

約数和(自身を除く): 11415958

約数列:

[1, 2, 59, 73, 118, 146, 2423, 4307, 4846, 8614, 142957, 176879, 285914, 353758, 10435861, 20871722]

約数ペア:

[(1, 20871722), (2, 10435861), (59, 353758), (73, 285914), (118, 176879), (146, 142957), (2423, 8614), (4307, 4846)]